Optimum Signal Constellation Design for Ultra-High-Speed Optical Transport Networks

被引：0
|
作者：
Djordjevic, Ivan B. [1 ,2 ]
Liu, Tao [1 ]
Cvijetic, Milorad [2 ]
机构：
[1] Univ Arizona, Dept Elect & Comp Engn, Tucson, AZ 85721 USA
[2] Univ Arizona, Coll Optic Sci, Tucson, AZ USA
来源：
2012 14TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS (ICTON 2012) | 2012年
关键词：
Optical networks; modulation; multiplexing; signal constellation design; orbital angular momentum (OAM); low-density parity-check (LDPC) codes; coded-modulation; TRANSMISSION; MODULATION; OFDM;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this invited paper we analyze several strategies that can be used facilitate the implementation of 400 GbE and 1 TbE technologies with respect to signal-constellation design and propose the use of optimum signal constellations instead of conventional QAM scheme. The proposed signal constellation designs can be used in combination with large-girth LDPC codes to solve both the bandwidth and energy-efficiency problems of future Ethernet technologies. We further describe several hybrid coded-modulation (CM) schemes that enable multiterabit serial optical transport, including energy-efficient D-dimensional CM, mode-multiplexed four dimensional CM, and mode-multiplexed generalized-OFDM.
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页数：7
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